是:

as 朝著 + sign 標記 + ment 構成名詞 -> 對某事作出記號 -> assignment 分配
n. 分配；任務；作業；功課

It's rare that the teacher didn't give us too many written assignments today.

難得老師今天沒有給我們布置太多的書面作業。
I barely finished the assignment before the deadline.

我恰好在期限前完成功課。

When is your assignment due?

你的作業什麼時候要交？

Rest assured the assignment will be finished by Friday.

放心吧，作業周五就會完成的。

I had set myself a tough assignment.

我給自己定了一項艱巨任務。

I've been working at my assignment all day.

我整天都在做作業。